文献类型： 外文期刊
作者： Zhao, Yan-Li 1 ; Zhang, Ji 1 ; Yuan, Tian-Jun 2 ; Zhang, Jin-Yu 1 ; Shen, Tao 3 ; Wang, Yuan-Zhong 1 ; Jin, Hang 1 ;
作者机构： 1.Yunnan Acad Agr Sci, Inst Med Plants, Kunming 650200, Peoples R China
2.Yunnan Reascend Tobacco Technol Grp Co Ltd, Kunming 650106, Peoples R China
3.Yuxi Normal Univ, Coll Resources & Environm, Yuxi 653100, Peoples R China
关键词： Gentiana rigescens;Mineral element;Principal component analysis;Correlation analysis.
期刊名称：ASIAN JOURNAL OF CHEMISTRY （ 影响因子：0.355； 五年影响因子：0.293 ）
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收录情况： SCI
摘要： Gentiana rigescens is an important traditional Chinese herbal medicine. Mineral elements play an important role in the formation of act ive components in medicinal plants. This study aimed to determine nine mineral elements in G. rigescens collected from 41 different sites in Yunnan and Guizhou provinces of China by atomic absorption spectroscopy. The average concentrations of mineral elements were in the order of K >Ca >Mg >Fe >Na >Zn >Cu >Cr >Se. According to correlation analysis. Zn-Cu had the highest positive correlation (r = 0.834), while Fe-Mg were the strongest negatively correlated (r =-0.649) (p < 0.01). Three significant groups classified by principal component analysis contained more than 71.39 % of all the important influential sources. This study provides a comprehensive survey of the concentrations of 9 mineral elements in wild G. rigescens samples collected from different sites in Yunnan and Guizhou provinces of China, Magnesium. Fe, Zn and Cu, were viewed as the characteristic mineral elements of G. rigescens according to principal component analysis.
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